2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/41814I briefly review the recent status of research on physics potential of neutrino factories including the discussions on parameter degeneracy.15 pages, 7 sets of figures, uses iopart.cls; Invited talk at Conference on Physics Beyond the Standard Model: Beyond the Desert 02, Oulu, Finland, 2-7 Jun 2002High Energy Physics - Phenomenologytext